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Zhang Q, Singh P, Peng DW, Peng EY, Burns JM, Swerdlow RH, Suo WZ. Proactive M2 blockade prevents cognitive decline in GRK5-deficient APP transgenic mice via enhancing cholinergic neuronal resilience. J Biol Chem 2024; 300:107619. [PMID: 39098530 PMCID: PMC11400976 DOI: 10.1016/j.jbc.2024.107619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 07/09/2024] [Accepted: 07/14/2024] [Indexed: 08/06/2024] Open
Abstract
Alzheimer's disease (AD) poses an immense challenge in healthcare, lacking effective therapies. This study investigates the potential of anthranilamide derivative (AAD23), a selective M2 receptor antagonist, in proactively preventing cognitive impairments and cholinergic neuronal degeneration in G protein-coupled receptor kinase-5-deficient Swedish APP (GAP) mice. GAP mice manifest cognitive deficits by 7 months and develop senile plaques by 9 months. A 6-month AAD23 treatment was initiated at 5 months and stopped at 11 months before behavioral assessments without the treatment. AAD23-treated mice exhibited preserved cognitive abilities and improved cholinergic axonal health in the nucleus basalis of Meynert akin to wildtype mice. Conversely, vehicle-treated GAP mice displayed memory deficits and pronounced cholinergic axonal swellings in the nucleus basalis of Meynert. Notably, AAD23 treatment did not alter senile plaques and microgliosis. These findings highlight AAD23's efficacy in forestalling AD-related cognitive decline in G protein-coupled receptor kinase-5-deficient subjects, attributing its success to restoring cholinergic neuronal integrity and resilience, enhancing resistance against diverse degenerative insults.
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Affiliation(s)
- Qiang Zhang
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri, USA
| | - Prabhakar Singh
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri, USA
| | - David W Peng
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri, USA
| | - Evelyn Y Peng
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri, USA
| | - Jeffery M Burns
- Department of Neurology, University of Kansas Medical College, Kansas City, Kansas, USA; Department of Physiology, University of Kansas Medical College, Kansas City, Kansas, USA; The University of Kansas Alzheimer's Disease Center, Kansas City, Kansas, USA
| | - Russell H Swerdlow
- Department of Neurology, University of Kansas Medical College, Kansas City, Kansas, USA; Department of Physiology, University of Kansas Medical College, Kansas City, Kansas, USA; The University of Kansas Alzheimer's Disease Center, Kansas City, Kansas, USA
| | - William Z Suo
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri, USA; Department of Neurology, University of Kansas Medical College, Kansas City, Kansas, USA; Department of Physiology, University of Kansas Medical College, Kansas City, Kansas, USA; The University of Kansas Alzheimer's Disease Center, Kansas City, Kansas, USA.
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Suo WZ. GRK5 Deficiency Causes Mild Cognitive Impairment due to Alzheimer's Disease. J Alzheimers Dis 2021; 85:1399-1410. [PMID: 34958040 DOI: 10.3233/jad-215379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Prevention of Alzheimer's disease (AD) is a high priority mission while searching for a disease modifying therapy for AD, a devastating major public health crisis. Clinical observations have identified a prodromal stage of AD for which the patients have mild cognitive impairment (MCI) though do not yet meet AD diagnostic criteria. As an identifiable transitional stage before the onset of AD, MCI should become the high priority target for AD prevention, assuming successful prevention of MCI and/or its conversion to AD also prevents the subsequent AD. By pulling this string, one demonstrated cause of amnestic MCI appears to be the deficiency of G protein-coupled receptor-5 (GRK5). The most compelling evidence is that GRK5 knockout (GRK5KO) mice naturally develop into aMCI during aging. Moreover, GRK5 deficiency was reported to occur during prodromal stage of AD in CRND8 transgenic mice. When a GRK5KO mouse was crossbred with Tg2576 Swedish amyloid precursor protein transgenic mouse, the resulted double transgenic GAP mice displayed exaggerated behavioral and pathological changes across the spectrum of AD pathogenesis. Therefore, the GRK5 deficiency possesses unique features and advantage to serve as a prophylactic therapeutic target for MCI due to AD.
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Affiliation(s)
- William Z Suo
- Laboratory for Alzheimer's Disease & Aging Research, VA Medical Center, Kansas City, MO, USA.,Department of Neurology, University of Kansas Medical Center, Kansas City, KS, USA.,Department of Molecular & Integrative Physiology, University of Kansas Medical Center, Kansas City, KS, USA.,The University of Kansas Alzheimer's Disease Center, Kansas City, KS, USA
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Yang T, Sui X, Yu B, Shen Y, Cong H. Recent Advances in the Rational Drug Design Based on Multi-target Ligands. Curr Med Chem 2020; 27:4720-4740. [DOI: 10.2174/0929867327666200102120652] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 09/02/2019] [Accepted: 09/07/2019] [Indexed: 12/31/2022]
Abstract
Multi-target drugs have gained considerable attention in the last decade owing to their
advantages in the treatment of complex diseases and health conditions linked to drug resistance.
Single-target drugs, although highly selective, may not necessarily have better efficacy or fewer
side effects. Therefore, more attention is being paid to developing drugs that work on multiple
targets at the same time, but developing such drugs is a huge challenge for medicinal chemists.
Each target must have sufficient activity and have sufficiently characterized pharmacokinetic parameters.
Multi-target drugs, which have long been known and effectively used in clinical practice,
are briefly discussed in the present article. In addition, in this review, we will discuss the
possible applications of multi-target ligands to guide the repositioning of prospective drugs.
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Affiliation(s)
- Ting Yang
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Xin Sui
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Bing Yu
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Youqing Shen
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Hailin Cong
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
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Complex noradrenergic dysfunction in Alzheimer's disease: Low norepinephrine input is not always to blame. Brain Res 2019; 1702:12-16. [PMID: 29307592 PMCID: PMC6855395 DOI: 10.1016/j.brainres.2018.01.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 11/13/2017] [Accepted: 01/02/2018] [Indexed: 11/24/2022]
Abstract
The locus coeruleus-noradrenergic (LC-NA) system supplies the cerebral cortex with norepinephrine, a key modulator of cognition. Neurodegeneration of the LC is an early hallmark of Alzheimer's disease (AD). In this article, we analyze current literature to understand whether NA degeneration in AD simply leads to a loss of norepinephrine input to the cortex. With reported adaptive changes in the LC-NA system at the anatomical, cellular, and molecular levels in AD, existing evidence support a seemingly sustained level of extracellular NE in the cortex, at least at early stages of the long course of AD. We postulate that loss of the integrity of the NA system, rather than mere loss of NE input, is a key contributor to AD pathogenesis. A thorough understanding of NA dysfunction in AD has a large impact on both our comprehension and treatment of this devastating disease.
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He M, Singh P, Cheng S, Zhang Q, Peng W, Ding X, Li L, Liu J, Premont RT, Morgan D, Burns JM, Swerdlow RH, Suo WZ. GRK5 Deficiency Leads to Selective Basal Forebrain Cholinergic Neuronal Vulnerability. Sci Rep 2016; 6:26116. [PMID: 27193825 PMCID: PMC4872166 DOI: 10.1038/srep26116] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 04/27/2016] [Indexed: 02/05/2023] Open
Abstract
Why certain diseases primarily affect one specific neuronal subtype rather than another is a puzzle whose solution underlies the development of specific therapies. Selective basal forebrain cholinergic (BFC) neurodegeneration participates in cognitive impairment in Alzheimer’s disease (AD), yet the underlying mechanism remains elusive. Here, we report the first recapitulation of the selective BFC neuronal loss that is typical of human AD in a mouse model termed GAP. We created GAP mice by crossing Tg2576 mice that over-express the Swedish mutant human β-amyloid precursor protein gene with G protein-coupled receptor kinase-5 (GRK5) knockout mice. This doubly defective mouse displayed significant BFC neuronal loss at 18 months of age, which was not observed in either of the singly defective parent strains or in the wild type. Along with other supporting evidence, we propose that GRK5 deficiency selectively renders BFC neurons more vulnerable to degeneration.
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Affiliation(s)
- Minchao He
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - Prabhakar Singh
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - Shaowu Cheng
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - Qiang Zhang
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - Wei Peng
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - XueFeng Ding
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA.,Department of Cognitive Sciences, Beijing Institute of Basic Medical Sciences, Beijing, 100850, P.R. China
| | - Longxuan Li
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - Jun Liu
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA.,Department of Neurology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, P. R. China
| | - Richard T Premont
- Department of Medicine, Duke Univ. Med. Center, Durham, NC 27710, USA
| | - Dave Morgan
- The Johnnie B. Byrd Alzheimer's Center &Research Institute, Tampa, FL 33620, USA.,Deptment of Molecular Pharmacology &Physiology, University of South Florida, Tampa, FL 33620, USA
| | - Jeffery M Burns
- Department of Neurology, University of Kansas Medical College, Kansas City, KS 66170, USA.,Department of Molecular and Integrative Physiology, University of Kansas Medical College, Kansas City, KS 66170, USA.,The University of Kansas Alzheimer's Disease Center, Kansas City, KS 66160, USA
| | - Russell H Swerdlow
- Department of Neurology, University of Kansas Medical College, Kansas City, KS 66170, USA.,Department of Molecular and Integrative Physiology, University of Kansas Medical College, Kansas City, KS 66170, USA.,The University of Kansas Alzheimer's Disease Center, Kansas City, KS 66160, USA
| | - William Z Suo
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA.,Department of Neurology, University of Kansas Medical College, Kansas City, KS 66170, USA.,Department of Molecular and Integrative Physiology, University of Kansas Medical College, Kansas City, KS 66170, USA.,The University of Kansas Alzheimer's Disease Center, Kansas City, KS 66160, USA
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Singh P, Peng W, Zhang Q, Ding X, Suo WZ. GRK5 deficiency leads to susceptibility to intermittent hypoxia-induced cognitive impairment. Behav Brain Res 2016; 302:29-34. [PMID: 26778781 DOI: 10.1016/j.bbr.2016.01.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 01/04/2016] [Accepted: 01/05/2016] [Indexed: 12/11/2022]
Abstract
Obstructive sleep apnea (OSA) leads to cognitive impairment in about 25% patients, though it remains elusive what makes one more susceptible than the other to be cognitively impaired. G protein-coupled receptor kinase-5 (GRK5) deficiency is recently found to render subjects more susceptible to cognitive impairment triggered by over-expression of Swedish mutant ß-amyloid precursor protein. This study is to determine whether GRK5 deficiency also renders subjects more susceptible to the OSA-triggered cognitive impairment. Both wild type (WT) and GRK5 knockout (KO) mice were placed in conditions absence and presence of intermittent hypoxia (IH) with 8%/21% O2 90-s cycle for 8h a day for a month, and then followed by behavioral assessments with battery of tasks. We found that the selected IH condition only induced marginally abnormal behavior (slightly elevated anxiety with most others unchanged) in the WT mice but it caused significantly more behavioral deficits in the KO mice, ranging from elevated anxiety, impaired balancing coordination, and impaired short-term spatial memory. These results suggest that GRK5 deficiency indeed makes the mice more susceptible to wide range of behavioral impairments, including cognitive impairments.
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Affiliation(s)
- Prabhakar Singh
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - Wei Peng
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - Qiang Zhang
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA
| | - XueFeng Ding
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; Department of Cognitive Sciences, Beijing Institute of Basic Medical Sciences, Beijing 100850, PR China
| | - William Z Suo
- Laboratory for Alzheimer's Disease and Aging Research, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; Departments of Neurology, University of Kansas Medical College, Kansas City, KS 66170, USA; Departments of Physiology, University of Kansas Medical College, Kansas City, KS 66170, USA; The University of Kansas Alzheimer's Disease Center, Kansas City, KS 66160, USA.
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